Home / 156,218.24-215,579.46-88,235.32

Finding the Fourth Proportional to 156,218.24, 215,579.46 and 88,235.32

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Solution

The fourth proportional to 156,218.24, 215,579.46 and 88,235.32 is: 121,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,218.24 : 215,579.46 = 88,235.32 : x
  2. Step 2: Convert to fraction form
    156,218.24/215,579.46 = 88,235.32/x
  3. Step 3: Cross multiply
    156,218.24x = 215,579.46 × 88,235.32
  4. Step 4: Simplify right side
    156,218.24x = 19,021,722,638.53
  5. Step 5: Solve for x
    x = 19,021,722,638.53/156,218.24
  6. Step 6: Final answer
    x = 121,763.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.